20mm Crushed rock class 3 is a material that compacts hard.
20mm Crushed rock class 3
is used under paving and concrete slabs, where its main function is to build height and create a stable, compacted base. For best results, this product should be laid to a minimum depth of 50mm, moistened with water and compacted with a roller or vibrating plate compacter.
*Please note while every effort is made to ensure consistency, there may be variation in the product from what is displayed online. Our range is naturally sourced or recycled, so variation can occur. It's best to visit our stores in person to get the best impression.